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| -rw-r--r-- | .gitignore | 3 | ||||
| -rw-r--r-- | README.md | 12 | ||||
| -rw-r--r-- | flake.lock | 42 | ||||
| -rw-r--r-- | flake.nix | 42 | ||||
| -rw-r--r-- | main.py | 3 | ||||
| -rw-r--r-- | requirements.txt | 1 |
6 files changed, 103 insertions, 0 deletions
diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..e1bd8ab --- /dev/null +++ b/.gitignore @@ -0,0 +1,3 @@ +.venv +.direnv +.envrc diff --git a/README.md b/README.md new file mode 100644 index 0000000..e01dfe6 --- /dev/null +++ b/README.md @@ -0,0 +1,12 @@ +# Python with Nix Flakes + +This repo is just to show how to use flakes with a simple python project. To try +it out you can clone the repo and run: + +``` +nix develop +python main.py +``` + +`nix develop` will drop you into a bash shell that will have everything you need +to run `main.py`. diff --git a/flake.lock b/flake.lock new file mode 100644 index 0000000..014a0c3 --- /dev/null +++ b/flake.lock @@ -0,0 +1,42 @@ +{ + "nodes": { + "flake-utils": { + "locked": { + "lastModified": 1620759905, + "narHash": "sha256-WiyWawrgmyN0EdmiHyG2V+fqReiVi8bM9cRdMaKQOFg=", + "owner": "numtide", + "repo": "flake-utils", + "rev": "b543720b25df6ffdfcf9227afafc5b8c1fabfae8", + "type": "github" + }, + "original": { + "owner": "numtide", + "repo": "flake-utils", + "type": "github" + } + }, + "nixpkgs": { + "locked": { + "lastModified": 1621630984, + "narHash": "sha256-lCzF8vKaUGzlQFx0RARbO7tRPUx01Spr/1fCkzV/i5s=", + "owner": "nixos", + "repo": "nixpkgs", + "rev": "12a9bd6fb8a6883480d5fc7ea4518c621060875e", + "type": "github" + }, + "original": { + "owner": "nixos", + "repo": "nixpkgs", + "type": "github" + } + }, + "root": { + "inputs": { + "flake-utils": "flake-utils", + "nixpkgs": "nixpkgs" + } + } + }, + "root": "root", + "version": 7 +} diff --git a/flake.nix b/flake.nix new file mode 100644 index 0000000..3c153d3 --- /dev/null +++ b/flake.nix @@ -0,0 +1,42 @@ +{ + description = "A very basic flake for developing in python"; + # Provides abstraction to boiler-code when specifying multi-platform outputs. + inputs = { + flake-utils.url = "github:numtide/flake-utils"; + nixpkgs.url = "github:nixos/nixpkgs"; + }; + outputs = { self, nixpkgs, flake-utils }: + flake-utils.lib.eachDefaultSystem (system: let + pkgs = nixpkgs.legacyPackages.${system}; + venvDir = "./.venv"; + pythonPackages = pkgs.python38Packages; + in { + devShell = pkgs.mkShell { + nativeBuildInputs = with pkgs; [ + hello + pythonPackages.python + ]; + shellHook = '' + SOURCE_DATE_EPOCH=$(date +%s) + + if [ -d "${venvDir}" ]; then + echo "Skipping venv creation, '${venvDir}' already exists" + else + echo "Creating new venv environment in path: '${venvDir}'" + # Note that the module venv was only introduced in python 3, so for 2.7 + # this needs to be replaced with a call to virtualenv + ${pythonPackages.python.interpreter} -m venv "${venvDir}" + fi + + # Under some circumstances it might be necessary to add your virtual + # environment to PYTHONPATH, which you can do here too; + # PYTHONPATH=$PWD/${venvDir}/${pythonPackages.python.sitePackages}/:$PYTHONPATH + + source "${venvDir}/bin/activate" + + # As in the previous example, this is optional. + pip install -r requirements.txt + ''; + }; + }); +} @@ -0,0 +1,3 @@ +import requests + +print(requests.get("https://www.codyhiar.com").text) diff --git a/requirements.txt b/requirements.txt new file mode 100644 index 0000000..f229360 --- /dev/null +++ b/requirements.txt @@ -0,0 +1 @@ +requests |